This three video series demonstrates a convenient process for gathering, evaluating, and modifying properties on all textures present in a level using the Unreal Python API. The same process can be used to analyze any standard Unreal actor class.
For more information on understanding how textures can impact performance take a look at Shaun Comly’s excellent article on the topic here: Lifecycle of a Texture in Unreal Engine for Virtual Production | Community tutorial
My introductory course on the Unreal Python API is available here:
Special thanks to Denys Rutkovskyi for his Factory Environment Collection, available in the Permanently Free Collection in the Epic Marketplace.
https://dev.epicgames.com/community/learning/tutorials/wZEz/unreal-engine-building-a-texture-utility-with-the-unreal-python-api